[![stability 0 - deprecated](http://b.repl.ca/v1/stability-0_--_deprecated-red.png)
](http://nodejs.org/api/documentation.html#documentation_stability_index)
[![stability 1 - experimental](http://b.repl.ca/v1/stability-1_--_experimental-orange.png)
](http://nodejs.org/api/documentation.html#documentation_stability_index)
[![stability 2 - unstable](http://b.repl.ca/v1/stability-2_--_unstable-yellow.png)
](http://nodejs.org/api/documentation.html#documentation_stability_index)
[![stability 3 - stable](http://b.repl.ca/v1/stability-3_--_stable-yellowgreen.png)
](http://nodejs.org/api/documentation.html#documentation_stability_index)
[![stability 4 - frozen](http://b.repl.ca/v1/stability-4_--_frozen-green.png)
](http://nodejs.org/api/documentation.html#documentation_stability_index)
[![stability 5 - locked](http://b.repl.ca/v1/stability-5_--_locked-blue.png)
](http://nodejs.org/api/documentation.html#documentation_stability_index)